What level of nitrogen dioxide is dangerous? * Exposure to20 ppmis immediately dangerous to life and health. How does nitrogen dioxide pollute the air? Nitrogen dioxide, when prevalent in the air, appears asa reddish-brown haze. Nitrogen dioxide and other nitrogen oxides react with other chemical...
The biggest lesson you need to learn is that if you’re gonna build an underground shelter, you need to have someone who does this kind of thing for a living come in and take it all into consideration. If you have electricity running through it, have an electrician check it all out. I...
Why is methane gas dangerous? How does carbon dioxide contribute to the greenhouse effect? How do greenhouse gases affect the ozone layer? Why is nitrogen not a greenhouse gas? Why is water vapor the most important greenhouse gas? What is the greenhouse gas effect?
Why is chlorine a gas at room temperature? Why is methane the most stable hydrocarbon? Explain. How does methane act as a greenhouse gas? Why is nitrogen not a greenhouse gas? Why is sulfur dioxide not a greenhouse gas? Why are methane and air used in a lime kiln?
potential water on Mars;the planet is also rich in other natural resources such as oxygen,hydrogen, and minerals, which can be well used in productive ways.For example, hydrogen can be used as fuel, and it can be combined with nitrogen (氮气) to form new materials necessary for human ...
(c) the incomplete combustion of carbon-containing fuels can be dangerous to people..---(d) the combustion of fossil fuels can eventually damage buildings. 相关知识点: 试题来源: 解析A2 (a)Plastics are non-biodegradable and when disposed in landfills itcause land pollution/ water pollution.(b...
Nuclear Energy has grown and spread worldwide. The history of Nuclear Energy begins in 1942 whenenrico Fermicreated the first nuclear reactor, the Chicago-Pile 1. Enrico left Italy to escape new “Italian racial laws.” He created this reactor by fission. Which is also used as the fuel to...
Is Snus Safe? Even opponents of snus admit that it releases "cleaner" nicotine than cigarettes. The pasteurization of snus tobacco kills off nitrites (chemical compounds of one part nitrogen and two parts oxygen), especially tobacco-specific nitrosamines (TSNAs). TSNAs are one of the primary carc...
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Future settlers will not only benefit from potential water on Mars; the planet is also rich in other natural resources such as oxygen, hydrogen, and minerals, which can be well used in productive ways. For example, hydrogen can be used as fuel, and it can be combined with nitrogen (氮气...